| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.37 |
| Score | 0% | 67% |
Examples of primary consumers include:
rats |
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all of these |
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cows |
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fish |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
A major difference between sound waves and light waves is which of the following?
a sound wave is much slower than a light wave |
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all of these are correct |
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a sound wave cannot travel through a vacuum |
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a sound wave is mechanical while a light wave is electromagnetic |
A vibrating object produces a sound wave that travels outwardly from the object through a medium (any liquid or solid matter). The vibration disturbs the particles in the surrounding medium, those particles disturb the particules next to them, and so on, as the sound propagates away from the vibration.
Which of the following is not one of the outer planets?
Jupiter |
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Uranus |
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Venus |
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Neptune |
In contrast to the solid terrestrial planets, the outer planets (Jupiter, Saturn, Uranus, and Neptune) consist of hydrogen and helium gas and water.
Which of the following states of matter exists at the highest temperature?
none of these |
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solid |
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liquid |
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gas |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
Which of the following is the narrowest classification of life?
domain |
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family |
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genus |
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species |
The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.